package demo3;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 殇
 * Date: 2025-06-06
 * Time: 18:25
 */
public class D extends B{
    private int num=1;

    @Override
    public void fun(){
        System.out.println("D::fun()+"+this.num);
    }
}
